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prevent rounding errors with deinterlacing shaders

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hunterk 2018-03-20 20:28:08 -05:00
parent e4f6e62bf1
commit 994fc49f12
3 changed files with 6 additions and 6 deletions
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2
misc/bob-and-ghost-deinterlacing.slang
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@ -53,7 +53,7 @@ void main()
} }
else else
{ {
y = 2.0 * params.SourceSize.y * vTexCoord.y; y = 2.000001 * params.SourceSize.y * vTexCoord.y;
prev = current; prev = current;
} }

2
misc/bob-deinterlacing.slang
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@ -43,7 +43,7 @@ void main()
float y = 0.0; float y = 0.0;
// assume anything with a vertical resolution greater than 400 lines is interlaced // assume anything with a vertical resolution greater than 400 lines is interlaced
if (params.SourceSize.y > 400.0) y = params.SourceSize.y * vTexCoord.y + float(params.FrameCount); if (params.SourceSize.y > 400.0) y = params.SourceSize.y * vTexCoord.y + float(params.FrameCount);
else y = 2.0 * params.SourceSize.y * vTexCoord.y; else y = 2.000001 * params.SourceSize.y * vTexCoord.y;
if (mod(y, 2.0) > 0.99999) FragColor = vec4(texture(Source, vTexCoord + vec2(0.0, params.SourceSize.w))); if (mod(y, 2.0) > 0.99999) FragColor = vec4(texture(Source, vTexCoord + vec2(0.0, params.SourceSize.w)));
else else

2
misc/interlacing.slang
View file

@ -55,7 +55,7 @@ void main()
if (registers.SourceSize.y > 400.0) if (registers.SourceSize.y > 400.0)
{y = registers.SourceSize.y * vTexCoord.y + (tick * registers.enable_480i) + registers.top_field_first;} {y = registers.SourceSize.y * vTexCoord.y + (tick * registers.enable_480i) + registers.top_field_first;}
else else
{y = 2.0 * registers.SourceSize.y * vTexCoord.y + registers.top_field_first;} {y = 2.000001 * registers.SourceSize.y * vTexCoord.y + registers.top_field_first;}
if (mod(y, 1.99999) > 0.99999) if (mod(y, 1.99999) > 0.99999)
{res = res;} {res = res;}